89MVA15003_00_A01.pdf

This document is a Job Specification for Ship Alteration (SHIPALT) YON-122D for the U.S. Navy barge YON-285, comprised of five distinct work packages to be accomplished at the Japan Regional Maintenance Center Det Sasebo. The work spans from a POP Start Date of September 28, 2026, with an Anticipated Award Date of July 31, 2026, and Production Completion Date of February 2, 2027. The specification is designated ICN 89MVA15003, Rev A01.

Part-I Hull Work (Pages 2-5) addresses bitts upgrade, requiring removal and installation of bitts located on the Main Deck (Frames 0-22) and various cargo voids. The work includes welding, nondestructive testing, surface preparation, cleaning to SSPC-SP standards, and preservation to match surrounding areas. Government-furnished materials include welding rods, bitts, plates, and flat bars. Part-II Hull Work (Pages 6-21) covers lifeline and liferail system installation with comprehensive load testing requirements, including assembly load tests of 1,100-1,155 pounds and staple load tests of 3,000-3,150 pounds. Part-III Hull Work (Pages 22-24) involves brow installation with a static load test of 1,000 pounds. Part-IV Electrical Work (Pages 31-35) requires weather deck floodlight installation with cable installation, penetration sealing, bonding, grounding, and operational testing. Part-V Preservation Work (Pages 36-38) specifies nonskid deck covering installation on the main deck covering approximately 2,430 SF and preservation of 4,320 SF. All work requires compliance with standard Navy specifications, cleaning and preservation standards, waste disposal per Japanese Environmental Governing Standards, and coordination with separate ICNs covering dry docking, marine chemist inspection, and cargo void cleaning.